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addition

noun

  1. arithmetic operation of adding (augend+addend=summand+summand=sum, total). (Add, Sum, Plus, Increase, Total)
  2. association of the original object with its new part
  3. mathematics, mixing, process of adding something to something else, increase
L4486 on Wikidata ↗

Wiktionary

Pronunciation: /əˈdɪʃ.ən/

noun

Etymology: Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *dʰeh₁- Proto-Indo-European *dʰéh₁tder. Proto-Italic *-ðō Latin -dō Latin addō Latin additiōder. Old French aditionder. Middle English addicioun English addition Sense of “what is added” dates from 14th century, from Middle English addicioun, addition, from Old French adition, from Latin additiōnem, accusative singular of additiō, from addō (“add, put”).

  1. The act of adding anything.

    The addition of five more items to the agenda will make the meeting unbearably long.

  2. Anything that is added.
  3. The arithmetic operation of adding.
  4. A dot at the right side of a note as an indication that its sound is to be lengthened one half.
  5. A title annexed to a person's name to identify him or her more precisely.

    […]They clip vs drunkards, and with Swiniſh phraſe / Soyle our addition, and indeede it takes / From our atchieuements, though perform’d at height / The pith and marrow of our attribute[…]

  6. Something added to a coat of arms, as a mark of honour.
  7. an organic reaction where two or more molecules combine to form a larger one (the adduct).